#func{
    display: flex;
    justify-content: space-around;
}

#d1{
    width: 100%;
    margin-top: 20px;
    margin-bottom: 40px;
    background-color: #f5f5f5;
}
#d1>ul{
    display: flex;
    margin: 10px 0;
    background-color: #fff;
    padding: 10px 5px;
}
#d1>ul>li{
    margin-left: 5px;
}
#d1>ul ul{
    margin-left:20px;
    display: flex;
    flex-wrap: wrap;
}
#d1>ul ul>li{
    margin-left: 5px;
    margin-top: 8px;
}
#d1>ul ul>li:nth-child(1){
    font-size: 16px;
    color: #333;
}
/* 底部提交按钮 */
#select{
    width: 100%;
    position: fixed;
    bottom: 0;
   padding: 0px 5px;
}